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    50hp switchbox or stator....

    Hi,<br />Well here is the problem... I recently replaced the trigger on our 76' 50hp mercury which i thought fixed the ignition problem that we have with this motor. the old trigger had really tired and bare wires . anyways all 4 cylinders ran when test in driveway. Got it up to the cottage and...
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    1976 50 hp Merc- top cylinders no spark

    Hi,<br /><br />I bought a spark tester today to help start the diagnosis of this beast.So far tonight I have found that the top two cylinders have no spark at all. I doubted the problem was coil, but i moved a known good one to one of the top cylinders and it was still dead. Where is a good...
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    Checking stator on 50 hp merc

    Hi,<br /><br />I'm about to replace some parts on a 76' 50hp merc. I had an ex mechanic suggest that my stator is really weak and the trigger has high resistance. He doeesn't think its the switchbox. The spark is weak and random on the cylinders. The boat ran good all summer and then the fall i...
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